Dmitry Rybin, a mathematician and graduate of the Higher School of Economics (HSE), has successfully identified a counterexample to the Dinits-Garg-Gomans hypothesis, a longstanding question in the field of network flow theory that has persisted for nearly three decades. Utilizing the capabilities of GPT-5.6 Pro, Rybin generated the proof in a matter of hours with just four prompts. He provided the AI with broad instructions such as "make a breakthrough" and "disprove the general case," without any specific hints. Rybin humorously described the interaction as a "pure meme." The findings are still pending independent verification.